Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Cash flows from operating activities:
Net loss	$ (168,016)	$ (190,269)
Adjustments to reconcile net loss to cash flows used in operating activities
Stock-based compensation	29,832	17,777
Depreciation	6,004	1,918
Amortization of intangible assets	1,629	0
Inventory write-downs	18,828	0
Non-cash lease expense	729	426
Accretion (amortization) of marketable securities purchased at a premium (discount)	132	0
Loss on change in fair value of contingent consideration	17,300	0
Loss on extinguishment of convertible notes	0	131,908
Loss on extinguishment of convertible notes attributable to related parties	0	1,875
Amortization of convertible note discounts	0	315
Amortization of convertible note discounts attributable to related parties	0	55
Trade accounts receivable	(1,632)	0
Inventories	(13,446)	(1,182)
Prepaid and other current assets	7,447	(4,893)
Other non-current assets	(2,393)	0
Accounts payable	6,268	3,617
Lease liabilities	(631)	(547)
Accrued expenses and other current liabilities	1,153	2,334
Other non-current liabilities	4,934	2,011
Net cash used in operating activities	(91,862)	(34,655)
Cash flows from investing activities:
Acquisition of trademark	(850)	(3,200)
Purchases of marketable securities	(102,010)	0
Maturities of marketable securities	5,277	0
Purchases of property, plant and equipment	(32,064)	(8,796)
Net cash used in investing activities	(129,647)	(11,996)
Cash flows from financing activities:
Proceeds From Business Combination And Private Offering	0	463,648
Borrowings on Pendrell bridge loan	0	10,000
Repayment on Pendrell bridge loan	0	(10,000)
Proceeds from issuance of Series C preferred stock	0	30,000
Issuance cost of Series C preferred stock	0	(94)
Repayments on term loans	0	(2,800)
Repayments on equipment advances	0	(3,636)
Proceeds from stock issued under equity plans	106	1,309
Proceeds from Employee Stock Purchase Plan	711	0
Net cash provided by financing activities	817	488,427
Net increase (decrease) in cash and cash equivalents	(220,692)	441,776
Cash and cash equivalents at beginning of period	325,007	10,611
Cash and cash equivalents at end of period	104,315	452,387
Non-cash activities:
Conversion of Series A, Series B, Series C, and Founders' convertible preferred into common stock	0	330,764
Assets acquired included in accounts payable and accrued expenses and other current liabilities	4,983	537
Public and private placement of warrants acquired as part of business combination	0	56,786
Change in redemption value of Convertible Preferred Stock	0	1,011,726
Supplemental disclosures of cash flow information:
Cash paid for interest	$ 0	$ 691